That Certain Thing is a 1928 silent film comedy directed by Frank Capra.

[1] Molly Kelly (Viola Dana) intends to marry a millionaire.

When she meets Andy Charles, Jr. (Ralph Graves), heir to a restaurant fortune, she sees her chance and marries him.

Upon discovering the marriage, Andy's father (Burr McIntosh) becomes irate and disinherits his son.

Andy attempts life as a ditch-digger to support his wife, but the results are not what he had hoped for.